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QSFP-DD-400G-FR4

The Ciena QSFP-DD-400G-FR4 is a high-speed optical transceiver module designed to support 400Gbps data transmission over single-mode fiber at distances up to 2km. This compact, hot-swappable module utilizes PAM4 modulation to provide reliable, high-density connectivity for demanding data center and service provider network environments.

SKU: QSFP-DD-400G-FR4 Brand: Product ID: 394419
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Description

Ciena QSFP-DD-400G-FR4 Overview

The QSFP-DD-400G-FR4 is a high-performance optical transceiver module engineered by Ciena to facilitate dense, high-speed data transmission across modern fiber-optic infrastructures. Designed for seamless integration with compatible Ciena networking platforms, the QSFP-DD-400G-FR4 utilizes a double-density form factor to maximize port bandwidth in space-constrained environments. This hot-swappable component is ideal for network administrators looking to scale their data center capacity while maintaining reliability and signal integrity. By choosing this pre-owned hardware, you gain access to enterprise-grade connectivity solutions that have been rigorously tested for peak performance in demanding routing environments.

Ciena QSFP-DD-400G-FR4 Technical Details

This module operates using advanced wavelength division multiplexing to achieve 400G throughput over single-mode fiber links. The QSFP-DD-400G-FR4 features low power consumption and robust thermal management, ensuring stable operation during continuous high-traffic periods. Its technical architecture supports standard reach distances, making it a versatile choice for interconnecting switches and routers within large-scale campus or metro networks. With its standardized interface and plug-and-play design, this unit simplifies hardware upgrades and minimizes downtime during critical infrastructure maintenance.

Who We Are
 
ROC Telecom is a family-owned, Texas-based company specializing in helping businesses unlock value from their networking and telecom equipment. From routers and switches to optical gear and more, we provide a seamless solution for businesses looking to sell, recover assets responsibly, or buy quality-tested equipment at competitive prices.
 
What We Do
 
We make it easy to:
  • Sell Used Equipment: Get a quick, hassle-free quote and maximize the value of your old IT gear.
  • Buy Certified Networking Equipment: Access affordable, quality-tested equipment from top brands like Cisco, Juniper, Ciena, Fujitsu, Infinera and more.
Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
  • Sustainable IT Solutions: Reduce waste and support environmentally responsible practices.
  • Competitive Pricing: Fair, fast, and accurate valuations for all your equipment.
  • Free Shipping Logistics: Fast, secure, and hassle-free shipping or pickup options for buyers and sellers.
Our Process
  1. Submit a Request: You can use the “Buy” or “Sell” buttons above to get started — or fill out a form, call us at 585-406-1248, or email bailey@roctelecom.com. Whatever’s easiest for you, we’ll make it quick and hassle-free.
  2. Quick Evaluation: We’ll assess your equipment—whether you’re looking to sell it or find the right gear for your needs—and provide a fair offer.
  3. Simple Logistics: Fast, secure, and straightforward shipping or pickup solutions.
  4. Value Delivered: Recover funds from unused equipment or save on quality-tested networking and telecom gear.
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